Home / 16,042.41-22,139.19-8,968.82

Finding the Fourth Proportional to 16,042.41, 22,139.19 and 8,968.82

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Solution

The fourth proportional to 16,042.41, 22,139.19 and 8,968.82 is: 12,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.41 : 22,139.19 = 8,968.82 : x
  2. Step 2: Convert to fraction form
    16,042.41/22,139.19 = 8,968.82/x
  3. Step 3: Cross multiply
    16,042.41x = 22,139.19 × 8,968.82
  4. Step 4: Simplify right side
    16,042.41x = 198,562,299.36
  5. Step 5: Solve for x
    x = 198,562,299.36/16,042.41
  6. Step 6: Final answer
    x = 12,377.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.